Subset extraction
The RDF representation of a Wikidata item contains a redundancy, since it contains both the full statements and the "truthy" statements.
A subset that contains is not always necessary and being able to separate truthy from full statements lead to smaller subsets.
Similarly being able to taylor which part of Wikidata items (ie. Labels/descriptions, statements, and… See the full description on the dataset page:
https://huggingface.co/datasets/creativeautomaton/wikidata_rdf_massive_objects_EN-triples-and-sentences.